For perfect French Manicures & tidy polish. Leighton Denny Precision Corrector & Brush is the key to Leighton Denny's unique approach to creating the perfect French Manicure. The precision brush is dipped into the corrector liquid, then used to lightly shape a French white tip into the perfect curve. In the same way, polish applied to the skin by mistake can be tidied up quickly & easily for a perfect polish application. Benefits: the tools for an easy, flawless french manicure & to tidy polish.